170 TOUTRICINA. 



6. favillaceana, Hub. Alls anticis favillaceis ; strigulis maciilaque 

 brunneis ; punctis elevatis sparsis ; posticis fiisco-griseis. tf Exp. 

 al. 9-10 lin. 



Head ashy-grey. Face ashy-grey. Eyes intense purplish brown, 

 with a velvety appearance. Palpi ashy-grey above and at the sides, 

 white beneath. Antennae fuscous above and beneath ; basal joint 

 clothed beneath with whitish scales. Thorax ashy-grey, smooth, 

 slightly shining. Patagia same colour as the thorax. Anterior wings 

 ashy-grey, the costa at the base broadly alternated with wide (some- 

 times narrow) streaks of reddish brown, more or less produced along 

 the disk ; one-third from the base commences a broad reddish-brown 

 fascia, angulated on both sides, and extending to the anal angle ; 

 this fascia is darkest at its origin, and on its edges ; the subapical 

 costal patch is wide and triangular, its edges likewise darkest ; 

 sometimes the edges of this patch are produced into streaks, which 

 converge at the apical margin above the anal angle. Along the inner 

 edge of the central fascia are disposed, at regular intervals, several 

 minute tufts of ashy- and chocolate-coloured scales, a solitary one in 

 the median fold near the base, and several others towards the apex. 

 Apical margin red-brown. Apical scales red-brown, with ashy 

 bases. Cilia shining, pale ashy-grey, slightly paler at the anal angle. 

 Posterior wings clothed with coarse pale fuscous scales on a pearly 

 ground, the margin darkest. Marginal scales fuscous, with luteous 

 bases. Cilia shining, with a very pale fuscous tinge. Abdomen fus- 

 cous, the caudal tuft drab, or slightly ferruginous. $ Exp. al. 

 10-11 lin. Anterior wings more broadly streaked at the base of the 

 costa than the cT . Abdomen with the apex luteous. 



Varies in the tint of the ground-colour, in the colour and 

 extent of the markings, and also much in size. 



The varieties named in the Museum Catalogue are Tortrix 

 reticulana and tristana of Haw., and Teras lividana of Treitschke. 



Var. reticulana differs from the type in the presence of a faint 

 reticulation of the anterior wings. 



Var. tristana is usually smaller, but not otherwise much de- 

 parting from the type. 



Var. lividana are nearly unicolorous instances from the great 

 absence of the reddish-brown markings. 



The imago appears from July to October; is found among 

 Beeches, and seems to be generally distributed. It occurs at the 

 New Forest, in the vicinity of London, at West Wickham Wood, 

 Sanderstead, and Mickleham Downs ; in the north of England, 

 in Scotland, and in the vicinity of Dublin. 



According to Mr. R. Shield, the larva is to be found in June 

 and July on the underside of beech-leaves, spun up in a slight 

 web. 



